CN102825813A - Method and apparatus for forming tyre apex and bead wire assembly - Google Patents
Method and apparatus for forming tyre apex and bead wire assembly Download PDFInfo
- Publication number
- CN102825813A CN102825813A CN2012101959435A CN201210195943A CN102825813A CN 102825813 A CN102825813 A CN 102825813A CN 2012101959435 A CN2012101959435 A CN 2012101959435A CN 201210195943 A CN201210195943 A CN 201210195943A CN 102825813 A CN102825813 A CN 102825813A
- Authority
- CN
- China
- Prior art keywords
- roller
- rotation
- tyre bead
- retainer
- tyre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D30/58—Applying bands of rubber treads, i.e. applying camel backs
- B29D30/62—Applying bands of rubber treads, i.e. applying camel backs by extrusion or injection of the tread on carcass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
- B29D2030/482—Applying fillers or apexes to bead cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a method and an apparatus of forming a tire apex and bead wire assembly. The method comprises the steps of mounting the bead wire in holder; rotating the bead wire and extruding one or more passes of a strip of elastomeric material onto an outer surface of the bead wire; and shaping the one or more passes of elastomeric material between two rollers.
Description
Technical field
The present invention relates to be used to form the method and apparatus of annular beads triangle glue or tyre bead filling glue.
Background technology
The present invention relates to be used to form the method and apparatus of annular beads triangle glue and bead core sub-component.Tyre bead triangle glue is the rubber component that is positioned at the radial outside of the annular tensile part that is commonly referred to bead core.The triangle that the shape of tyre bead triangle glue is normally long causes very long and thin fragile triangle glue.The casingply of tire is positioned near the inner radial surface of tyre bead triangle glue, and holds bead core usually and extend along the radially-outer surface of tyre bead triangle glue, in being commonly referred to the casing ply anti-package.
When tire is made into when flat, triangle glue must rotate 90 ° to stand up position.This makes the outermost radial outside top of tyre bead triangle glue than the bigger amount of inside part (near tyre bead) circumferential tension of triangle glue, causes the heavily stressed and local attenuation of tyre bead triangle glue.
Make relatively difficulty of tyre bead triangle gluon assembly.Along with triangle glue shape becomes higher and thinner, because the fragility of triangle glue is made more difficult.A problem is to guarantee that triangle glue has enough adhesive attachment to steel bead wire.Usually need a large amount of power to guarantee the mechanical bond between triangle glue rubber and the tyre bead.Form annular triangle glue if use flat plate or other to form device, then remove formed triangle glue owing to viscosity is difficult to slave plate.Made efforts and made unvulcanized tyre bead apex strip band, but when forming annular ring, because extrudate stretches unevenly and shrinks, the top of the elongation of these triangle glue may bending and warpage.This bending or warpage make these parts become useless.Therefore, only there is very short short and thick triangle glue can carry out such preformed.The 3rd problem making triangle glue and tyre bead sub-component relates to the joint that forms triangle glue.
Therefore, be desirable to provide a kind of method and apparatus, it can form such as the annular elastomeric band of triangle glue member and not cause the stretching or the bending on undesirable top.It would also be desirable to provide a kind of method and apparatus, be used to process long triangle glue or other tire material band, its profile is orientated the shape of the moulding of tyres after very approaching the completion.It would also be desirable to provide a kind of method, be used to make the Mnltilayered structures of different materials or the Mnltilayered structures of analog material.It would also be desirable to provide a kind of method, what it produced annular construction member begins to locate smoothly overlapping with the place, end of member, and it is seamless making this part look.
Summary of the invention
" depth-width ratio " of tire is meant the depth of section (SH) of tire and the ratio of its cross-sectional width (SW).
" axially " is meant line parallel with the rotation of tire or direction with " axially ".
" carcass " is meant the tire construction that still comprises tyre bead the sidewall rubber on belt structure, tyre surface, tread cushioning layer and casing ply.
" chafer " is meant the material fillet band of placing around the tyre bead outside, is used to protect the cord casing ply not damaged by wheel rim, and the amount of deflection that on wheel rim, distributes, and the sealing tire.
" reinforced sheet " is meant the reinforcement structure of the bead part that is arranged in tire.
" cord " is meant one in the reinforcement twisted wire, and the casing ply in the tire is formed by cord.
The present invention relates to following technical scheme.
1. method that forms tyre triangular glue and steel bead wire assembly said method comprising the steps of:
Steel bead wire is installed in the rotatable tyre bead retainer,
Make the rotation of said steel bead wire and tyre bead retainer, and the elastomeric material strips of one or more passages is expressed on the outer surface of tyre bead, and
The elastomeric material of the said one or more passages that between two relative rotation rollers, are shaped.
2. like technical scheme 1 described method, wherein, said rotation roller is rotation independently relative to each other.
3. like technical scheme 1 described method, wherein, each roller can pivot around its rotation.
4. like technical scheme 1 described method, wherein, each roller can translation.
5. like technical scheme 1 described method, wherein, each roller can be along the directions X translation.
6. like technical scheme 1 described method, wherein, said extruder has the outlet ozzle, and said ozzle can rotate.
7. like technical scheme 1 described method, wherein, said band is applied continuously.
8. device that forms tyre triangular glue and steel bead wire assembly, said device comprises:
Rotatable tyre bead retainer, said tyre bead retainer is used for above that fixedly steel bead wire,
Be used to make the device of steel bead wire and the rotation of tyre bead retainer,
Be close to the extruder of steel bead wire location, be used for the continuous elastomeric material bands of one or more passages is expressed into the outer surface of tyre bead,
Two relative rollers of contiguous outlet of extruder and steel bead wire retainer location, wherein, said roller is rotatably installed around first axle, and is positioned to the elastomeric material of one or more passages is configured as predetermined profile.
9. like technical scheme 8 described devices, wherein, each roller can pivot around its rotation.
10. like technical scheme 8 described devices, wherein, each roller can pivot around its rotation independently.
11. like technical scheme 8 described devices, wherein, each roller can be along the translation independently of its rotation.
12. like technical scheme 8 described devices, wherein, extruder has the outlet ozzle, and wherein, said outlet ozzle can rotate.
13. a device that forms elastomeric elements, said device comprises:
Rotatable retainer, said retainer is used for above that fixedly elastomeric elements,
Be used to make the device of said retainer rotation,
Be close to the extruder of retainer location, be used for the continuous elastomeric material bands of one or more passages is expressed into the outer surface of retainer,
Two relative rollers of contiguous outlet of extruder and retainer location, wherein, said roller is rotatably installed around first axle, and is positioned to the elastomeric material of one or more passages is configured as predetermined profile.
14. like technical scheme 13 described devices, wherein, each roller can pivot around its rotation.
15. like technical scheme 13 described devices, wherein, each roller can pivot around its rotation independently.
16. like technical scheme 13 described devices, wherein, each roller can be along the translation independently of its rotation.
17. like technical scheme 13 described devices, wherein, extruder has the outlet ozzle, and wherein, said outlet ozzle can rotate.
Description of drawings
To through the mode of example the present invention be described with reference to accompanying drawing, wherein:
Fig. 1 is the cross-sectional view of tyre bead triangle glue machine of the present invention.
Fig. 2 is the side view of the tyre bead triangle glue machine of Fig. 1.
Fig. 3 is the enlarged side view of the part of device shown in Figure 1 of the present invention.
Fig. 4 is the front view of the part of tyre bead and tyre bead retainer, has shown the part of the triangle glue that is formed by roller.
Fig. 5 and Fig. 6 show second embodiment that forms triangle glue and tyre bead sub-component.
Fig. 7 shows triangle glue of the present invention and tyre bead sub-component.
Fig. 8 to Figure 10 has shown the 3rd embodiment that is used to form tyre bead triangle gluon assembly of the present invention.
The specific embodiment
With reference to figure 1 and Fig. 2, show the machine 100 that is used to form elastomer annular member.The present invention is particularly useful for forming the rubber tyre member, more specifically is applicable to form tyre bead triangle glue assembly.Yet, the invention is not restricted to form triangle glue, can form the elastomeric elements of annular.Fig. 7 shows an example of tyre bead triangle glue assembly 10.As shown in the figure, tyre bead triangle glue assembly 10 has the leg-of-mutton triangle glue of being processed by elastomeric material 12.The radially inner side of tyre bead triangle glue is the annular tensile part that is commonly referred to metal beads core 6, and it is formed by a plurality of steel bead wires.Importantly, the elastomeric material that forms tyre bead triangle glue has flooded bead core 6, and this bead core 6 forms the shank 14 of dipping tyre bead.Triangle glue is not limited to leg-of-mutton shape of cross section, can be formed by any desired shape of cross section.The present invention also can be used for forming other annular tire member with bead core.
Machine 100 has extruder device 110, is used to form the continuous elastomer strip 10 that is preferably formed by rubber.Extruder can comprise any commercial extruder that is applicable to processing rubber or elastomer compounds.Extruder can comprise the extruder that can commercial buy, and those skilled in the art are referred to as pin type extruder, double screw extruder or single screw extrusion machine or ring-like extruder usually.The extruder that a kind of commerce that is suitable for using can buy is that the multistage shear transfer is mixed (MCT) extruder, by the VMI Holland BV sale of Holland.Preferably, extruder has about 8 L/D, but can be from about 5 to about 25, and preferably 10 to 15.Preferably ring-like, pin type or MCT type extruder, but be not limited thereto.Extruder is used for rubber compound is heated to about 80 ℃ of temperature to about 150 ° of scopes, and preferred about 90 ° to about 120 °, so that softened rubber composition on demand.Extruder device 110 can only be an extruder, but preferably with the extruder of gear pump 112 combination.Extruder or gear pump/extruder have the port of export, and this port of export preferably has ozzle 114.This ozzle has outlet aperture 116, and this outlet aperture 116 has the expectation contour shape that is used for shaped resilient body material.Ozzle is orientated contiguous tyre bead retainer 120 as.Tyre bead retainer 120 is configured to support annular beads from its inner surface, and around its central axis rotary annular tyre bead.Tyre bead retainer 120 has annular brace device 122, and this annular brace device 122 rotatably is installed to motor 124.Tyre bead retainer 120 is used for when triangle glue is formed on outer surface, supporting and the rotary annular tyre bead.Tyre bead retainer 120 can be applied to elastomer strip on the tyre bead with auxiliary along the translation incrementally of Y direction equably.
One or more forming rolls 130 are orientated contiguous tyre bead retainer as.Each forming rolls 130 is installed on the support arm 132 rotatably, is used for rotating around axis of pitch X '.Each forming rolls can move with respect to other forming rolls independently.Builder arm 132 is installed into makes that it can be along X ' direction translation roller, and forming rolls is pivoted around its longitudinal axis or Y ' axis, and this longitudinal axis or Y ' axis are transverse to X ' axis.Forming rolls can be around Y ' axis pivot ± 90 degree.Roller has the outer surface 134 that is used to contact triangle glue, smooth and the edge with chamfering of this outer surface 134.
The method that forms tyre bead triangle glue assembly will be described now.At first, annular beads is mounted and is fixed to the tyre bead retainer, makes that outer radial tyre bead surface is unrestricted.The tyre bead retainer is rotated to the speed of expectation.The ozzle of extruder device is orientated contiguous bead core as, is used for the thin band of elastomeric material is applied to the outer surface of annular beads.Elastomeric material preferably applies with continuous strip.Owing to the high pressure of the rubber that discharges from the extruder ozzle, elastomeric material is penetrated in the steel bead wire core.As shown in Figure 3, the band of first rotation or first passage (first pass) is expressed as 140.After first passage or the first complete rotation, ozzle is along little amount of Y direction translation, and the band 142 of second passage (or second complete rotation) is applied to contiguous first passage.Second passage 142 of band can be overlapping with first passage 140.Apply the 3rd passage band 144 then, it can be overlapping or not overlapping with second passage 142 with second passage 142.The software program that can use a computer carries out modeling to the efficient layout of band passage, so that as far as possible effectively near approximate final triangle glue shape.Computer software can be communicated by letter with computer control, so that motion, translation, rotation and the pivoting action of roller 130 and the rotation and the translation of tyre bead retainer of adjustment gear pump extruder.
When triangle glue was formed by one or more band passages, roller 130 was rotated and makes the respective side edges of outer roller surface engagement triangle glue.Roller can pivot or tilt a little, makes outer roller surface 134 lateral edges perpendicular to triangle glue.As shown in Figure 5, form roller enough pressure is applied to triangle glue outer surface, so that make the outer ledge surface smoothing of triangle glue.Roller moves along triangle glue outer surface, so that make the whole outer ledge of triangle glue level and smooth.By after fully level and smooth, triangle glue and tire bead assembly remove from the tyre bead retainer, and are ready to be installed in the tire at the lateral edges of triangle glue.
Perhaps, after triangle glue was fully formed by all expectation passages, triangle glue can be shaped by roller 130.
The triangle glue material is preferably formed at about 150 to about 350kPa and more preferably about 190 rubber or elastomer compounds to about 310kPa scope by G '.Only if point out in addition, all G ' values are measured on unvulcanized rubber sample under the strain amplitude of the measuring frequency of 190 ℃ sample temperature, 10Hz and 15%.From obtaining the rubber sample according to the vulcanized tyre of manufacturer's specification manufacturing of expecting.For the object of the invention, storage modulus attribute G ' is the viscoplasticity attribute of rubber constituent, can on the scope of frequency, temperature and strain amplitude, confirm through the dynamic mechanical analysis device.An example that is suitable for measuring the dynamic mechanical analysis device (DMA) of G ', G ' ' is the model DMA+450 that is sold by 01-dB Metravib company.This DMA instrument uses dynamic mechanical analysis to assess rubber constituent.The sulfuration sample of corresponding rubber constituent a frequency (hertz) and temperature (℃) under receive the dynamic exciting (frequency and amplitude) of accurate control, and observe the stress response of sample by instrument.Observed sample responses can be divided into viscosity or loss modulus (G ' ') and elasticity or storage modulus (G ') component by instrument.Only if point out in addition, all G ' ' measure under identical condition with G '.
The present invention also comprises the device that is used to form elastomeric elements, and this device has and is used for above that the fixedly rotatable retainer of elastomeric elements; Be used to rotate the device of retainer; Contiguous retainer location is used for the extruder on the outer surface that continuous elastomeric material bands with one or more passages is expressed into retainer; And two relative rollers of contiguous outlet of extruder and extruder location, wherein, roller is rotatably installed around first axle, and is positioned to the elastomeric material of one or more passages is configured as predetermined profile.What this device can also comprise is that each roller can pivot around its rotation.What this device can also comprise is that each roller can pivot around its rotation independently.What this device can also comprise is that each roller can be along the translation independently of its rotation.This device can comprise the extruder with outlet ozzle alternatively, and wherein, this outlet ozzle is rotatable.
Other annular construction member also can be made by the present invention, such as chafer, sidewall etc.According to the description that this paper provides, the present invention can have various modification.Though, one skilled in the art will appreciate that and to carry out various changes and modification without departing from the scope of the invention for explanation the object of the invention shows some representational embodiment and details.Therefore, will be appreciated that and in described specific embodiment, to change that these change in the full breadth of the present invention that claim limited.
Claims (10)
1. method that forms tyre triangular glue and steel bead wire assembly said method comprising the steps of:
Steel bead wire is installed in the rotatable tyre bead retainer,
Make the rotation of said steel bead wire and tyre bead retainer, and the elastomeric material strips of one or more passages is expressed on the outer surface of tyre bead, and
The elastomeric material of the said one or more passages that between two relative rotation rollers, are shaped.
2. the method for claim 1, wherein said rotation roller is rotation independently relative to each other.
3. the method for claim 1, wherein each roller can pivot around its rotation.
4. the method for claim 1, wherein each roller can translation.
5. the method for claim 1, wherein each roller can be along the directions X translation.
6. device that forms tyre triangular glue and steel bead wire assembly, said device comprises:
Rotatable tyre bead retainer, said tyre bead retainer is used for above that fixedly steel bead wire,
Be used to make the device of steel bead wire and the rotation of tyre bead retainer,
Be close to the extruder of steel bead wire location, be used for the continuous elastomeric material bands of one or more passages is expressed into the outer surface of tyre bead,
Two relative rollers of contiguous outlet of extruder and steel bead wire retainer location, wherein, said roller is rotatably installed around first axle, and is positioned to the elastomeric material of one or more passages is configured as predetermined profile.
7. device as claimed in claim 6, wherein, each roller can pivot around its rotation.
8. device as claimed in claim 6, wherein, each roller can pivot around its rotation independently.
9. device as claimed in claim 6, wherein, each roller can be along the translation independently of its rotation.
10. device as claimed in claim 6, wherein, extruder has the outlet ozzle, and wherein, said outlet ozzle can rotate.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161496736P | 2011-06-14 | 2011-06-14 | |
| US61/496,736 | 2011-06-14 | ||
| US61/496736 | 2011-06-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102825813A true CN102825813A (en) | 2012-12-19 |
| CN102825813B CN102825813B (en) | 2015-10-28 |
Family
ID=46261958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210195943.5A Expired - Fee Related CN102825813B (en) | 2011-06-14 | 2012-06-14 | For the formation of the method and apparatus of annular elastomeric structural tire part |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US20120318440A1 (en) |
| EP (1) | EP2535176B1 (en) |
| CN (1) | CN102825813B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474759A (en) * | 2022-02-09 | 2022-05-13 | 江苏龙贞智能技术有限公司 | Triangular rubber joint sewing device and sewing method thereof |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6772518B2 (en) * | 2016-04-06 | 2020-10-21 | 住友ゴム工業株式会社 | Manufacturing method of bead members for tires |
| CN110087915A (en) * | 2016-09-07 | 2019-08-02 | 巴特尔机械系统有限公司 | Bead apex component for vehicle tyre |
| US12109773B2 (en) * | 2018-12-19 | 2024-10-08 | The Goodyear Tire & Rubber Company | Method and apparatus for forming an apex |
| US11505001B2 (en) * | 2018-12-19 | 2022-11-22 | The Goodyear Tire & Rubber Company | Method for forming tire components |
| EP3670142B1 (en) * | 2018-12-19 | 2022-12-21 | The Goodyear Tire & Rubber Company | Dual compound extruder apparatus with rotatable head and methods for forming a coextruded strip |
| US11697237B2 (en) | 2018-12-19 | 2023-07-11 | The Goodyear Tire & Rubber Company | Dual compound extruder apparatus with rotatable head |
| KR102377327B1 (en) * | 2020-12-21 | 2022-03-22 | 한국타이어앤테크놀로지 주식회사 | Crimping roller device for compressing the bead filler and method of compressing the bead filler using the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986204A (en) * | 2005-12-21 | 2007-06-27 | 住友橡胶工业株式会社 | Forming method for assembly of bead core and apex rubber |
| EP1800847A1 (en) * | 2004-09-10 | 2007-06-27 | Bridgestone Corporation | Method of forming bead filler |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3108142A1 (en) * | 1981-03-04 | 1982-09-16 | Continental Gummi-Werke Ag, 3000 Hannover | Apparatus for laying profile strips on bead wires |
| JPS6490736A (en) * | 1987-09-30 | 1989-04-07 | Sumitomo Rubber Ind | Apex mounting and its device |
| US5735995A (en) * | 1996-02-13 | 1998-04-07 | The Steelastic Company, L.L.C. | Apparatus for applying an apex filler to a bead ring |
| JP4420491B2 (en) * | 1998-06-29 | 2010-02-24 | 株式会社ブリヂストン | Method and apparatus for attaching rubber material for tire component |
| JP4167817B2 (en) * | 2000-08-21 | 2008-10-22 | 不二精工株式会社 | Tire production system and production method |
| JP2005066846A (en) * | 2003-08-25 | 2005-03-17 | Yokohama Rubber Co Ltd:The | Method and apparatus for manufacturing annular member |
| DE112006003959B4 (en) * | 2006-07-21 | 2021-01-14 | Toyo Tire & Rubber Co., Ltd. | Method and device for producing a tire bead |
| US8419873B2 (en) * | 2006-08-08 | 2013-04-16 | Toyo Tire & Rubber Co., Ltd. | Tire building method and rubber strip bonding apparatus |
| DE102007018971B4 (en) * | 2007-04-21 | 2018-09-13 | Continental Reifen Deutschland Gmbh | Device for the automatic production of bead core packages |
-
2012
- 2012-05-23 US US13/478,553 patent/US20120318440A1/en not_active Abandoned
- 2012-06-12 EP EP12171689.8A patent/EP2535176B1/en not_active Not-in-force
- 2012-06-14 CN CN201210195943.5A patent/CN102825813B/en not_active Expired - Fee Related
-
2016
- 2016-03-23 US US15/078,213 patent/US20160263850A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1800847A1 (en) * | 2004-09-10 | 2007-06-27 | Bridgestone Corporation | Method of forming bead filler |
| CN1986204A (en) * | 2005-12-21 | 2007-06-27 | 住友橡胶工业株式会社 | Forming method for assembly of bead core and apex rubber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474759A (en) * | 2022-02-09 | 2022-05-13 | 江苏龙贞智能技术有限公司 | Triangular rubber joint sewing device and sewing method thereof |
| CN114474759B (en) * | 2022-02-09 | 2023-09-15 | 江苏龙贞智能技术有限公司 | Triangular glue joint stitching device and stitching method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2535176A1 (en) | 2012-12-19 |
| EP2535176B1 (en) | 2014-10-22 |
| CN102825813B (en) | 2015-10-28 |
| US20120318440A1 (en) | 2012-12-20 |
| US20160263850A1 (en) | 2016-09-15 |
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Granted publication date: 20151028 Termination date: 20170614 |